542055304666 has 16 divisors (see below), whose sum is σ = 848576533824. Its totient is φ = 259200408544.

The previous prime is 542055304663. The next prime is 542055304673. The reversal of 542055304666 is 666403550245.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (542055304663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708715 + ... + 1259518.

It is an arithmetic number, because the mean of its divisors is an integer number (53036033364).

Almost surely, 2^542055304666 is an apocalyptic number.

542055304666 is a deficient number, since it is larger than the sum of its proper divisors (306521229158).

542055304666 is a wasteful number, since it uses less digits than its factorization.

542055304666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974245.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 542055304666 in words is "five hundred forty-two billion, fifty-five million, three hundred four thousand, six hundred sixty-six".